Finding the Fourth Proportional to 69,827,807.30, 96,347,630.99 and 40,457,351.39
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Solution
The fourth proportional to 69,827,807.30, 96,347,630.99 and 40,457,351.39 is: 55,822,602.96
Step by Step Solution
- Step 1: Write the proportion equation
69,827,807.30 : 96,347,630.99 = 40,457,351.39 : x - Step 2: Convert to fraction form
69,827,807.30/96,347,630.99 = 40,457,351.39/x - Step 3: Cross multiply
69,827,807.30x = 96,347,630.99 × 40,457,351.39 - Step 4: Simplify right side
69,827,807.30x = 3,897,969,961,872,458.50 - Step 5: Solve for x
x = 3,897,969,961,872,458.50/69,827,807.30 - Step 6: Final answer
x = 55,822,602.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.